nossel. >> host: high a rich. glad to be here with you this afternoon. really enjoyed the chance to read "universal rights down to earth." i'd like to start off by asking what drove you to training your lens on the human rights movement? with that made -- with me that a subject of interest for you? >> guest: most of my work has been in the area of civil rights and i've been interested in questions of rights for quite a long time. a little background. in the 1980s when i was in law school, there was a quite heated debate between legal scholars all on the left about the question of rights. and i was just a student at that time but found it very interesting between a group that has come to be known of critical legal studies and another group mainly scholars of color, that later became known as critical race theory and the debate was about the status of rights when they go rights were a good idea and whether they were and the critical position was one that became known as the critique of rights so they had a number of